package net.sumcraft.pointconvert;

import java.io.BufferedReader;
import java.io.ByteArrayOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.io.PrintWriter;
import java.net.URL;
import java.net.URLConnection;

/**
 * Created by zhen on 2017/6/30.
 */
public class HttpRequest {
    public static String sendGet(String url, String param) {
        String result = "";
        BufferedReader in = null;
        try {
            String urlNameString = url + "?" + param;
            URL realUrl = new URL(urlNameString);
            URLConnection connection = realUrl.openConnection();
            connection.setRequestProperty("accept", "*/*");
            connection.setRequestProperty("connection", "Keep-Alive");
            connection.setRequestProperty("user-agent",
                    "Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1;SV1)");
            connection.connect();

            InputStream is = (InputStream) connection.getContent();
            ByteArrayOutputStream baos =
                    new ByteArrayOutputStream();

            int buffer = 1024;
            byte[] b = new byte[buffer];
            int n = 0;
            while ((n = is.read(b, 0, buffer)) > 0) {
                baos.write(b, 0, n);
            }
            String s = new String(baos.toByteArray(), "UTF-8");
            is.close();
            baos.close();
            return s;
        } catch (Exception e) {
            System.out.println("发送GET请求出现异常！" + e);
            e.printStackTrace();
        } finally {
            try {
                if (in != null)
                    in.close();
            } catch (Exception e2) {
                e2.printStackTrace();
            }
        }
        return result;
    }

    public static String sendPost(String url, String param) {
        PrintWriter out = null;
        BufferedReader in = null;
        String result = "";
        try {
            URL realUrl = new URL(url);
            URLConnection conn = realUrl.openConnection();
            conn.setRequestProperty("accept", "*/*");
            conn.setRequestProperty("connection", "Keep-Alive");
            conn.setRequestProperty("user-agent",
                    "Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1;SV1)");
            conn.setDoOutput(true);
            conn.setDoInput(true);
            out = new PrintWriter(conn.getOutputStream());
            out.print(param);
            out.flush();
            in = new BufferedReader(
                    new InputStreamReader(conn.getInputStream()));
            String line;
            while ((line = in.readLine()) != null) {

                result = result + line;
            }
        } catch (Exception e) {
            System.out.println("发送 POST 请求出现异常！" + e);
            e.printStackTrace();
            try {
                if (out != null) {
                    out.close();
                }
                if (in != null)
                    in.close();
            } catch (IOException ex) {
                ex.printStackTrace();
            }
        } finally {
            try {
                if (out != null) {
                    out.close();
                }
                if (in != null)
                    in.close();
            } catch (IOException ex) {
                ex.printStackTrace();
            }
        }
        return result;
    }


    public static void test() {
        String url = "http://mcpay.aipai.com/Home/Plugin/cardinfo";
        String paramter = "serverid=xxxxxxxxxx&servercode=xxxxxxxxxxxxx&username=xxxxx";
        String response = HttpRequest.sendGet(url, paramter);
    }
}

